en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

2sin(22.5)cos(22.5)

Solution

2 sin (22. 5^{\circ}) cos (22. 5^{\circ})

Solution

\frac{2}{2}

+1

Solution steps

2 sin (22. 5^{\circ}) cos (22. 5^{\circ})

Rewrite using trig identities:

sin (4 5^{\circ})

= sin (4 5^{\circ})

Use the following trivial identity:

sin (4 5^{\circ}) = \frac{2}{2}

= \frac{2}{2}

Popular Examples

arcsin (- 0.5)

2 cos (4 5^{\circ})

tan (40 5^{\circ})

arcsin (0.4)

cos (\frac{3}{4} π)

Frequently Asked Questions (FAQ)

What is the value of 2sin(22.5)cos(22.5) ?
The value of 2sin(22.5)cos(22.5) is (sqrt(2))/2